/* ══════════════════════════════════════════
   STEFANO ROSINI — Shared Styles
   ══════════════════════════════════════════ */

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #1e1e1e;
  --accent: #c8a96e;
  --accent-light: #e8c98e;
  --text: #f0ece4;
  --muted: #6b6560;
  --white: #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

a { color: inherit; text-decoration: none; }

/* ══════════════════════════════════════════
   NAV
   ══════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 4rem;
  backdrop-filter: blur(12px);
  background: rgba(10,10,10,0.7);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.nav-logo {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-cta {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg) !important;
  background: var(--accent);
  padding: 0.55rem 1.2rem;
  border-radius: 2px;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--accent-light) !important; color: var(--bg) !important; }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  transition: all 0.3s;
}

.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ══════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════ */
.btn-primary {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 1rem 2rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); }

.btn-ghost {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  padding: 1rem 2rem;
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════
   SECTION HEADER
   ══════════════════════════════════════════ */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  flex-shrink: 0;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
}

.section-title em { font-style: italic; color: var(--accent); }

/* ══════════════════════════════════════════
   PAGE HERO (for inner pages)
   ══════════════════════════════════════════ */
.page-hero {
  padding: 10rem 4rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.page-hero .hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: fadeUp 0.8s ease 0.1s both;
}

.page-hero .hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
}

.page-hero .page-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease 0.25s both;
}

.page-hero .page-title em {
  font-style: italic;
  color: var(--accent);
}

.page-hero .page-subtitle {
  font-size: 1.05rem;
  color: rgba(240,236,228,0.6);
  max-width: 600px;
  line-height: 1.8;
  animation: fadeUp 0.8s ease 0.4s both;
}

/* ══════════════════════════════════════════
   HERO (homepage)
   ══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 4rem 4rem 4rem;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 900;
  line-height: 1.0;
  margin-bottom: 0.2em;
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-tagline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 2.5rem;
  line-height: 1.4;
}

.hero-desc {
  font-size: 0.95rem;
  color: rgba(240,236,228,0.65);
  max-width: 440px;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.hero-right {
  position: relative;
  overflow: hidden;
}

.hero-image-container {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1208 0%, #0a0a0a 60%);
}

.hero-image-container::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg) 0%, transparent 30%);
}

.hero-photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1a1612 0%, #0d0d0d 100%);
}

.hero-photo-placeholder svg {
  width: 200px;
  height: 200px;
  opacity: 0.15;
}

.hero-number {
  position: absolute;
  bottom: 3rem;
  right: 3rem;
  font-family: 'Playfair Display', serif;
  font-size: 10rem;
  font-weight: 900;
  color: rgba(200,169,110,0.06);
  line-height: 1;
  z-index: 1;
  pointer-events: none;
  user-select: none;
}

/* ══════════════════════════════════════════
   STATS BAR
   ══════════════════════════════════════════ */
.stats-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 2.5rem 3rem;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(200,169,110,0.04); }

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ══════════════════════════════════════════
   ABOUT / CHI SONO
   ══════════════════════════════════════════ */
.about {
  padding: 8rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
}

.about-text p {
  font-size: 1rem;
  color: rgba(240,236,228,0.7);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.about-text p strong {
  color: var(--text);
  font-weight: 500;
}

.about-quote {
  border-left: 2px solid var(--accent);
  padding: 1.5rem 2rem;
  margin: 2.5rem 0;
  background: rgba(200,169,110,0.04);
}

.about-quote blockquote {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--text);
}

.about-quote cite {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-style: normal;
  font-family: 'DM Mono', monospace;
}

.about-aside {
  padding-top: 1rem;
}

.expertise-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.expertise-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.25s;
  cursor: default;
}

.expertise-item:hover { padding-left: 0.5rem; }

.expertise-icon {
  width: 36px;
  height: 36px;
  background: rgba(200,169,110,0.1);
  border: 1px solid rgba(200,169,110,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.expertise-name {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 400;
}

.expertise-sub {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

/* ══════════════════════════════════════════
   TIMELINE (chi-sono page)
   ══════════════════════════════════════════ */
.timeline {
  padding: 6rem 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1px 1fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  position: relative;
}

.timeline-year {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-align: right;
  padding-top: 0.3rem;
}

.timeline-line {
  background: var(--border);
  position: relative;
}

.timeline-line::after {
  content: '';
  position: absolute;
  top: 6px;
  left: -4px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
}

.timeline-content h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.timeline-content .timeline-role {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
  display: block;
}

.timeline-content p {
  font-size: 0.9rem;
  color: rgba(240,236,228,0.6);
  line-height: 1.8;
}

/* ══════════════════════════════════════════
   PROGETTI
   ══════════════════════════════════════════ */
.projects {
  padding: 8rem 4rem;
}

.projects-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.project-card {
  background: var(--surface);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
  cursor: default;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.project-card:hover { background: rgba(200,169,110,0.03); }
.project-card:hover::before { transform: scaleX(1); }

.project-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: block;
}

.project-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.project-link {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.2s;
}

.project-link:hover { gap: 0.9rem; }

.project-number {
  position: absolute;
  bottom: 1.5rem;
  right: 2rem;
  font-family: 'Playfair Display', serif;
  font-size: 5rem;
  font-weight: 900;
  color: rgba(200,169,110,0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* ══════════════════════════════════════════
   CONTATTI
   ══════════════════════════════════════════ */
.contact {
  padding: 8rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
}

.contact-left .section-title { margin-bottom: 1.5rem; }

.contact-text {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 3rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  width: 80px;
  flex-shrink: 0;
}

.contact-item-value {
  font-size: 0.9rem;
  color: var(--text);
}

.contact-item-value a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-item-value a:hover { color: var(--accent-light); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-input, .form-textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  padding: 0.9rem 1.2rem;
  transition: border-color 0.2s;
  outline: none;
  resize: vertical;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
}

.form-textarea { min-height: 120px; }

/* ══════════════════════════════════════════
   HOMEPAGE PREVIEW SECTIONS
   ══════════════════════════════════════════ */
.home-about-preview {
  padding: 8rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.home-about-preview .preview-text p {
  font-size: 1rem;
  color: rgba(240,236,228,0.7);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.home-about-preview .preview-text p strong {
  color: var(--text);
  font-weight: 500;
}

.home-projects-preview {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8rem 4rem;
}

.home-projects-preview .projects-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.preview-actions {
  margin-top: 3rem;
  text-align: center;
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-brand span { color: var(--accent); }

.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

/* ══════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero .hero-eyebrow { animation: fadeUp 0.8s ease 0.1s both; }
.hero .hero-title   { animation: fadeUp 0.8s ease 0.25s both; }
.hero .hero-tagline { animation: fadeUp 0.8s ease 0.4s both; }
.hero .hero-desc    { animation: fadeUp 0.8s ease 0.5s both; }
.hero .hero-actions { animation: fadeUp 0.8s ease 0.6s both; }
.hero-right   { animation: fadeIn 1.2s ease 0.3s both; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════
   SCROLLBAR
   ══════════════════════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 900px) {
  nav { padding: 1.2rem 2rem; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.1rem; }
  .nav-hamburger { display: flex; z-index: 101; }

  .hero { grid-template-columns: 1fr; }
  .hero-left { padding: 7rem 2rem 4rem; }
  .hero-right { display: none; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }

  .about { grid-template-columns: 1fr; padding: 4rem 2rem; gap: 3rem; }

  .home-about-preview { grid-template-columns: 1fr; padding: 4rem 2rem; gap: 3rem; }

  .projects { padding: 4rem 2rem; }
  .projects-grid { grid-template-columns: 1fr; }

  .contact { grid-template-columns: 1fr; padding: 4rem 2rem; gap: 3rem; }

  .page-hero { padding: 7rem 2rem 3rem; }

  .timeline-item { grid-template-columns: 80px 1px 1fr; gap: 1.5rem; }

  footer { flex-direction: column; gap: 1.5rem; text-align: center; padding: 2rem; }
}